not got a firm price yet, as we are still adding stuff; 
  
The UK DE cars will use the stock Wide band sensors ,  at the moment it may be we can only use 1 lambda sensor for closed loop control as the S6 only has 1 Lambda control , we can run 2 lambda's if we use the S8 Syvecs ECU thou; Or we can use 2 external lambda sensors to supply AFR into the ECU. 
  
any US or JDM  car before 05 2005 will have to fit a wideband system to enable closed loop fueling as the earlier cars don't have 5 wire sensors fitted; 
  
We will be working on getting the S6 working on a HR soon as well. 
  
The traction control on the Syvecs is so awesome. 
Think I might benefit from the TCU lol. 
Great stuff.